“Did the odd-even scheme make a difference to Delhi’s air quality? Early data from New Year’s Day shows it did. Levels of PM2.5 (fine, respirable particles) fell sharply between 7am and noon, compared with a day earlier.
Delhi Pollution Control Committee’s (DPCC) real-time air quality monitoring showed pollution fell at Anand Vihar and Mandir Marg-two heavily polluted areas. The central government’s System of Air Quality and Weather Forecasting Research (SAFAR), which has separate monitoring stations, also reported a sharp dip between 8am and noon.Over all, about a lakh cars stayed off the roads on Friday. The monitoring agencies said pollution levels dipped after 8am, when the odd-even scheme started, and bottomed out in the afternoon. Air quality started deteriorating again after 6pm, possibly due to the build-up of traffic as people stepped out to celebrate…” The Times of India. Read it on delhiair.org.